// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DELEGATE_ANDROID_H_
#define CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DELEGATE_ANDROID_H_

#include <jni.h>

#include "base/macros.h"
#include "content/public/browser/screen_orientation_delegate.h"
#include "third_party/WebKit/public/platform/modules/screen_orientation/WebScreenOrientationLockType.h"

namespace content {

class WebContents;

// Android implementation of ScreenOrientationDelegate. The functionality of
// ScreenOrientationProvider is always supported.
class ScreenOrientationDelegateAndroid : public ScreenOrientationDelegate {
public:
    ScreenOrientationDelegateAndroid();
    ~ScreenOrientationDelegateAndroid() override;

    // Ask the ScreenOrientationListener (Java) to start accurately listening to
    // the screen orientation. It keep track of the number of start request if it
    // is already running an accurate listening.
    static void StartAccurateListening();

    // Ask the ScreenOrientationListener (Java) to stop accurately listening to
    // the screen orientation. It will actually stop only if the number of stop
    // requests matches the number of start requests.
    static void StopAccurateListening();

    // ScreenOrientationDelegate:
    bool FullScreenRequired(WebContents* web_contents) override;
    void Lock(WebContents* web_contents,
        blink::WebScreenOrientationLockType lock_orientation) override;
    bool ScreenOrientationProviderSupported() override;
    void Unlock(WebContents* web_contents) override;

private:
    DISALLOW_COPY_AND_ASSIGN(ScreenOrientationDelegateAndroid);
};

} // namespace content

#endif // CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DELEGATE_ANDROID_H_
